Hybrid Synergy Drive Operation - Lexus GS 450h Manual

Hybrid Synergy Drive Operation

Once the READY indicator is illuminated in the instrument cluster,
the vehicle may be driven. However, the gasoline engine does not
idle like a typical automobile and will start and stop automatically. It
is important to recognize and understand the READY indicator
provided in the instrument cluster. When lit, it informs the driver that
the vehicle is on and operational even though the gasoline engine may
be off and the engine compartment is silent.
Vehicle Operation
•
With the GS450h, the gasoline engine may stop and start at any time
while the READY indicator is on.
•
Never assume that the vehicle is shut off just because the engine is off.
Always look for the READY indicator status. The vehicle is shut off
when the READY indicator is off.
•
The vehicle may be powered by:
1. The electric motor only.
2. The gasoline engine only.
3. A combination of both the electric motor and the gasoline
engine.
•
The vehicle computer determines the mode in which the vehicle operates
to improve fuel economy and reduce emissions. The driver cannot
manually select the mode.
Instrument cluster READY Indicator
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